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Obtain gateway mac and src ip from provided interface #2

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Obtain gateway mac and src ip from provided interface #2

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10 changes: 5 additions & 5 deletions request_gps_position.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@

from scapy.all import *
import os
from getmac import get_mac_address
import netifaces

# uid of the remote radio
radio_id = 10206
Expand All @@ -11,12 +13,10 @@

# need to be set to appropriate local configuration
#out_interface = "{sending_network_interface_localpc}" # i.e. "eth0"
#src_ip = "{sending_ip_addr_on_network_interface}" # i.e. "192.168.10.2"
#gate_mac = "{mac_address_of_gateway_radio}" # i.e. "00:11:22:33:44:55"

out_interface = "eth0"
src_ip = "192.168.10.2"
gate_mac = "00:11:22:33:44:55"
src_ip = netifaces.ifaddresses(out_interface)[netifaces.AF_INET][0]['addr']
gate_mac = get_mac_address(ip = list(filter(lambda x: x[1] == out_interface, netifaces.gateways()[netifaces.AF_INET]))[0][0])
# offset 12.0.0.0 to radio_uid from decimal to ip in byte representation
dst_ip = socket.inet_ntoa(struct.pack('!L', radio_id + 0x0c000000))
src_port = 4001
Expand All @@ -38,4 +38,4 @@

# print osm link
print(f'https://www.openstreetmap.org/?mlat={lat}&mlon={lon}#map=18/{lat}/{lon}')
exit(0)
exit(0)